State Trooper Investigation Procedures

Question 1

What is the first priority upon arriving at a crime scene?

Accepted Answer

Secure the scene and ensure the safety of all persons present

Answer

Scene safety and security must be established before any investigative activity.

Question 2

What is the purpose of establishing a crime scene perimeter?

Accepted Answer

To protect evidence from contamination and control access

Answer

A perimeter preserves evidence integrity by limiting access to authorized personnel.

Question 3

What is the proper sequence for crime scene documentation?

Accepted Answer

Overview photographs, detailed photographs, sketches, notes, and evidence collection

Answer

Documentation progresses from broad to specific before any evidence is collected.

Question 4

What is 'Locard's Exchange Principle' in crime scene investigation?

Accepted Answer

Every contact between a person and an environment results in an exchange of physical material

Answer

Locard's principle states that a criminal always brings something to and takes something from the scene.

Question 5

When should a state trooper call for a forensic specialist at a crime scene?

Accepted Answer

When the scene involves serious crimes or evidence requiring specialized collection techniques

Answer

Forensic specialists should be called for complex scenes requiring expertise beyond first responder training.

State Trooper Practice Test